forked from minamijoyo/myaws
/
ecs.go
103 lines (87 loc) · 2.43 KB
/
ecs.go
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package myaws
import (
"fmt"
"github.com/aws/aws-sdk-go/service/ecs"
"github.com/pkg/errors"
funk "github.com/thoas/go-funk"
)
// findECSNodes finds ECS container instances
func (client *Client) findECSNodes(cluster string) ([]*ecs.ContainerInstance, error) {
arns, err := client.ECS.ListContainerInstances(
&ecs.ListContainerInstancesInput{
Cluster: &cluster,
},
)
if err != nil {
return nil, errors.Wrapf(err, "ListContainerInstances failed")
}
if len(arns.ContainerInstanceArns) == 0 {
return nil, errors.New("container instances not found")
}
instances, err := client.ECS.DescribeContainerInstances(
&ecs.DescribeContainerInstancesInput{
Cluster: &cluster,
ContainerInstances: arns.ContainerInstanceArns,
},
)
if len(instances.ContainerInstances) == 0 {
return nil, errors.New("ListContainerInstances succeed, but DescribeContainerInstances returns no instances")
}
return instances.ContainerInstances, nil
}
// findECSService find ECS services.
func (client *Client) findECSServices(cluster string) ([]*ecs.Service, error) {
serviceArns := []*string{}
err := client.ECS.ListServicesPages(
&ecs.ListServicesInput{
Cluster: &cluster,
},
func(p *ecs.ListServicesOutput, lastPage bool) bool {
serviceArns = append(serviceArns, p.ServiceArns...)
return true
},
)
if err != nil {
return nil, errors.Wrapf(err, "ListServices failed")
}
if len(serviceArns) == 0 {
return nil, errors.New("services not found")
}
// We can specify up to 10 services to describe in a single operation.
// So we need to divide the list by 10.
chunks := (funk.Chunk(serviceArns, 10)).([][]*string)
services := []*ecs.Service{}
for _, c := range chunks {
ss, err := client.ECS.DescribeServices(
&ecs.DescribeServicesInput{
Cluster: &cluster,
Services: c,
},
)
if err != nil {
return nil, errors.Wrapf(err, "DescribeServices failed")
}
services = append(services, (ss.Services)...)
}
if len(services) == 0 {
return nil, errors.New("ListServices succeed, but DescribeServices returns no services")
}
return services, nil
}
func (client *Client) printECSStatus(cluster string) error {
fmt.Fprintln(client.stdout, "[Service]")
err := client.ECSServiceLs(ECSServiceLsOptions{
Cluster: cluster,
})
if err != nil {
return err
}
fmt.Fprintln(client.stdout, "[Node]")
err = client.ECSNodeLs(ECSNodeLsOptions{
Cluster: cluster,
})
if err != nil {
return err
}
return nil
}